2 part epoxy putty Kneadatite (Blue/Yellow) Sculptors Epoxy Putty commonly know has green stuff (Most miniatures are sculpted in green stuff before being cast for mass production).
Silicone Molds for modeling and Wargames - GSW
Slide Cutter For Plastic Wrap by profallout, Download free STL model
Putty
Green Stuff Blue/Yellow Epoxy Putty : Office Products
Fiberglass, Casting & Molding – Tammies Hobbies
ARM04060 Green Stuff Bars (Kneadatite Blue / Yellow Epoxy Putty) ArmsKeeper Kneadatite Blue/Yellow (Green Stuff) is a two-part epoxy/polyamide
Green Stuff Bars (Kneadatite Blue / Yellow Epoxy Putty) ArmsKeeper
2KTL5007 - 4 x 4 Strips Kneadatite Green Stuff 2 Part Moulding Putty
Stretch-Tite Plastic Wrap, 2 pk./500 sq. ft
Green Stuff Putty 18 Inches 45cm Modeller Epoxy Putty Kneadatite Blue Yellow Duro
Green Stuff - 2 x 4 - Kneadatite Blue Yellow Duro Epoxy Putty
Silicone Molds for modeling and Wargames - GSW
▷ Silicone molds - RIVETs